Home / 1,300,857.40-1,950,800.64-447,690.34

Finding the Fourth Proportional to 1,300,857.40, 1,950,800.64 and 447,690.34

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Solution

The fourth proportional to 1,300,857.40, 1,950,800.64 and 447,690.34 is: 671,368.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,857.40 : 1,950,800.64 = 447,690.34 : x
  2. Step 2: Convert to fraction form
    1,300,857.40/1,950,800.64 = 447,690.34/x
  3. Step 3: Cross multiply
    1,300,857.40x = 1,950,800.64 × 447,690.34
  4. Step 4: Simplify right side
    1,300,857.40x = 873,354,601,793.82
  5. Step 5: Solve for x
    x = 873,354,601,793.82/1,300,857.40
  6. Step 6: Final answer
    x = 671,368.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.